Drag-and-drop file upload in Google Chrome/Chromium and Safari?

Question

Drag-and-drop file uploading can be done in Firefox 3.6.

A Google search for html5 drag-and-drop file uploading -gmail gives things like:

• Native Drag +

Answer 1

You wouldn't need to use an iframe to do pseudo ajax uploading. Chrome and Safari both support XHR2 uploads with progress events so you can do progress bars etc.